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(11)

EP 4 081 622 A1

(12)

(43) Date of publication: 02.11.2022 Bulletin 2022/44 (21) Application number: 20797894.1 (22) Date of filing: 23.09.2020

(51) International Patent Classification (IPC):  C10G 21/00(2006.01) C10G 53/16(2006.01) C10G 25/12(2006.01) C10G 17/00(2006.01) C10G 17/02(2006.01) C10G 21/28(2006.01) C10G 25/00(2006.01) C10G 21/30(2006.01) C10G 31/00(2006.01) (52) Cooperative Patent Classification (CPC): C10G 31/00; C10G 17/02; C10G 2300/1096; C10G 2300/206 (86) International application number: PCT/US2020/052148 (87) International publication number: WO 2021/262210 (30.12.2021 Gazette 2021/52)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 25.06.2020 US 202016911800 (71) Applicant: Saudi Arabian Oil Company Dhahran 31311 (SA)	(72) Inventors: SUN, Miao Dhahran, 31311 (SA) XU, Qi Dhahran, 31311 (SA) ZHANG, Zhonglin Dhahran, 31311 (SA) SHAIKH, Sohel K. Dhahran, 31311 (SA) (74) Representative: Wittmer, Maximilian  Grosse - Schumacher - Knauer - von Hirschhausen Patent- und Rechtsanwälte Nymphenburger Straße 14 80335 München 80335 München (DE)